Buick LaCrosse Owner's Manual page 293

2. Turn the bulb socket
counterclockwise to remove it
from the headlamp assembly.
3. Pull the bulb straight out from
the socket.
4. Push the new bulb into the
socket and reinstall the socket
into the headlamp assembly by
turning it clockwise.
1. Back-Up Lamp
2. Turn Signal Lamp
To replace one of these lamps:
1. Open the trunk. See
.
2. Remove the fasteners and pull
back the trunk trim.
3. Remove the four plastic wing
nuts holding the taillamp
assembly in place.
4. Pull out the taillamp assembly
and disconnect the wiring
harness.
5. Turn the bulb socket
counterclockwise to remove it.
6. Pull the old bulb straight out of
the bulb socket.
7. Reverse Steps 1 6 to install.
The license plate lamps for this
vehicle are on the trunk lid.
To replace one of these bulbs:
1. Open the trunk. See
.
2. Push the end on either of the
lamp assemblies (passenger
side shown) and then move the
lamp assembly down to remove
it from the trunk lid.